Demis Hassabis made tens, if not hundreds of millions of dollars in the Deep Mind acquisition. I'm sure most people would consider that to be adequate compensation.
If anything, the lesson is that if you care about making lots of money from your research (not everybody does), start a company. And it's easier for academics to start companies today than in any other era.
If anything, the lesson is that if you care about making lots of money from your research (not everybody does), start a company. And it's easier for academics to start companies today than in any other era.